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Related Experiment Videos

Psychosomatic symptoms and breathing pattern.

J N Han1, R Schepers, K Stegen

  • 1Laboratory of Pneumology, U.Z. Gasthuisberg, Herestraat 49, B-3000, Louven, Belgium.

Journal of Psychosomatic Research
|February 13, 2001
PubMed
Summary

Breathing patterns are linked to anxiety and psychosomatic symptoms. Specific breathing changes, like reduced end-tidal CO2, correlate with respiratory symptoms and anxiety, while others may indicate voluntary breathing control.

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Area of Science:

  • Psychophysiology
  • Clinical Psychology
  • Respiratory Medicine

Background:

  • Anxiety and somatoform disorders are often associated with physical symptoms.
  • Breathing patterns may play a role in the manifestation and experience of these disorders.
  • Negative affectivity, a tendency to experience negative emotions, is a common trait in these patient groups.

Purpose of the Study:

  • To investigate the relationship between breathing patterns, negative affectivity, and psychosomatic complaints.
  • To examine these links at rest and after a hyperventilation challenge.

Main Methods:

  • Studied 819 patients with anxiety/somatoform disorders and 159 healthy controls.
  • Recorded self-reported symptoms, breathing patterns, and end-tidal CO2 (FetCO2) at rest and post-hyperventilation provocation test (HVPT).

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  • Analyzed associations between disorder type, symptoms, age, negative affectivity (STAI-trait), and breathing patterns.

    • Main Results:

    • Anxiety and somatoform disorders showed breathing instability, with FetCO2 modulated by negative affectivity (STAI-trait).
    • Independent symptom factors were linked to breathing patterns, irrespective of disorder diagnosis.
    • Respiratory symptoms correlated with reduced resting FetCO2 and slower FetCO2 recovery post-HVPT, also seen with high anxiety.

    Conclusions:

    • Certain symptom clusters, particularly respiratory ones, are associated with altered breathing patterns and reduced FetCO2.
    • Dizziness, fainting, and paresthesias may be linked to voluntary ventilation control during hyperventilation.
    • Breathing pattern abnormalities and negative affectivity are interconnected in individuals with anxiety and somatoform disorders.